Company Update (NASDAQ:INFI): Infinity Pharmaceuticals Inc. to Present Phase 1b IPI-549 Data at the 2017 Society for Immunotherapy of Cancer Annual Meeting

INFI logoInfinity Pharmaceuticals Inc. (NASDAQ:INFI) announced that clinical data from its IPI-549 Phase 1/1b study was selected as a late-breaking abstract and will be presented on November 10, 2017 at the 2017 Society for Immunotherapy of Cancer (SITC) Annual Meeting. Discovered by Infinity, IPI-549 is an orally administered immuno-oncology development candidate that selectively inhibits phosphoinositide-3-kinase gamma (PI3K-gamma).

Details of the presentations are as follows:

Updated Phase 1/1b Data

Title: Monotherapy dose escalation clinical and translational data from first-in-human study in advanced solid tumors of IPI-549, an oral, selective, PI3K-gamma inhibitor targeting tumor macrophages
Abstract number: O43
Oral session: Clinical Trials – New Agents
Oral session date and time: Friday, November 10, 2017, from 1:45 p.m. –3:30 p.m. ET
Lead author: David Hong, M.D., Deputy Chair, Department of Investigational Cancer Therapeutics, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX

Additionally, an identically titled poster will be presented on Friday, November 10, 2017, from 12:30 p.m. – 2:00 p.m. ET and 6:30 p.m. – 8:00 p.m. ET.

Clinical Trials in Progress 

Title: Phase 1/1b, first-in-human study of the PI3K-gamma inhibitor IPI-549 as monotherapy and combined with nivolumab in patients with advanced solid tumors
Abstract number: P219
Poster session: Clinical trials in progress
Presentation time: Friday, November 10, 2017, from 12:30 p.m. – 2:00 p.m. ET and 6:30 p.m. – 8:00 p.m. ET
Lead author: Antoni Ribas, M.D., Ph.D., Parker Institute Center Director at the University of California, Los Angeles (UCLA)

The IPI-549 and the Ongoing Phase 1 Study 

IPI-549 is an investigational, orally administered immuno-oncology development candidate that selectively inhibits PI3K-gamma. In preclinical studies, IPI-549 reprograms macrophages from a pro-tumor, M2, to an anti-tumor, M1, phenotype and is able to overcome resistance to checkpoint inhibition as well as to enhance the activity of checkpoint inhibitors. As such, IPI-549 may have the potential to treat a broad range of solid tumors and represents a potentially complementary approach to restoring anti-tumor immunity in combination with other immunotherapies such as checkpoint inhibitors.

A Phase 1 study of IPI-549 in patients with advanced solid tumors is ongoing to evaluate the safety, tolerability, activity, pharmacokinetics and pharmacodynamics of IPI-549 as a monotherapy and in combination with Opdivo in approximately 200 patients with advanced solid tumors.The four-part study includes monotherapy and combination dose-escalation components, in addition to monotherapy expansion and combination expansion components. Patient enrollment is complete in monotherapy dose-escalation, and monotherapy expansion is ongoing. Combination dose-escalation is also ongoing, and combination expansion is expected to begin in the second half of 2017.

The combination expansion component includes multiple cohorts designed to evaluate IPI-549 in patients with specific types of cancer, including patients with non-small cell lung cancer (NSCLC), melanoma, and head and neck squamous cell carcinoma (HNSCC) whose tumors show initial resistance or subsequently develop resistance to immune checkpoint blockade therapy. This combination expansion will also include a cohort of patients with triple negative breast cancer (TNBC) who have not been previously exposed to immune checkpoint blockade therapy. Although there has been great progress in the treatment of cancer, there remains a need for additional treatment options. NSCLC, melanoma, HNSCC and TNBC account for more than 22 percent of all new cancer cases in the U.S.

Shares of Infinity are skyrocketing nearly 85% to $3.11 in Thursday’s trading session. INFI has a 1-year high of $3.84 and a 1-year low of $0.84. The stock’s 50-day moving average is $1.20 and its 200-day moving average is $1.64.

Infinity Pharmaceuticals is an innovative biopharmaceutical company, which engages in discovering, developing and delivering medicines for people with cancer.


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